package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {


    @Autowired
    OrderService orderService;

    /**
     * 去结算确认页
     * @param model
     * @return
     * @throws ExecutionException
     * @throws InterruptedException
     */
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo  confirmVo = orderService.confirmOrder();
            model.addAttribute("orderConfirmData",confirmVo);
        //展示订单确认的数据
        return "confirm";//跳转到订单确认页
    }

    /**
     * 结算确认页提交订单，下单功能
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){

        SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
        System.out.println("订单提交的所有数据: "+vo);
        if (responseVo.getCode()==0){ //说明下单成功了
            //下单成功，就来到支付选择页
            model.addAttribute("submitOrderResp",responseVo);
            return "pay";
        }else {
            String msg ="下单失败;";
           switch (responseVo.getCode()){
               case 1: msg+= "订单信息过期，请刷新再次提交"; break;
               case 2: msg+= "订单商品价格发生变化，请确认后再次提交"; break;
               case 3: msg+= "库存锁定失败，商品库存不足";break;
           }
            //如果下单失败就可以回到下单确认页，让用户重新确认下订单信息
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
